yiisoft/yii2 · error · yii\base\NotSupportedException

{} does not support dropping default value constraints.

Error message

{} does not support dropping default value constraints.

What it means

Error "{} does not support dropping default value constraints." thrown in yiisoft/yii2.

Source

Thrown at framework/db/QueryBuilder.php:1034

     */
    public function addDefaultValue($name, $table, $column, $value)
    {
        throw new NotSupportedException($this->db->getDriverName() . ' does not support adding default value constraints.');
    }

    /**
     * Creates a SQL command for dropping a default value constraint.
     * @param string $name the name of the default value constraint to be dropped.
     * The name will be properly quoted by the method.
     * @param string $table the table whose default value constraint is to be dropped.
     * The name will be properly quoted by the method.
     * @return string the SQL statement for dropping a default value constraint.
     * @throws NotSupportedException if this is not supported by the underlying DBMS.
     * @since 2.0.13
     */
    public function dropDefaultValue($name, $table)
    {
        throw new NotSupportedException($this->db->getDriverName() . ' does not support dropping default value constraints.');
    }

    /**
     * Creates a SQL statement for resetting the sequence value of a table's primary key.
     * The sequence will be reset such that the primary key of the next new row inserted
     * will have the specified value or the maximum existing value +1.
     * @param string $tableName the name of the table whose primary key sequence will be reset
     * @param array|string|null $value the value for the primary key of the next new row inserted. If this is not set,
     * the next new row's primary key will have the maximum existing value +1.
     * @return string the SQL statement for resetting sequence
     * @throws NotSupportedException if this is not supported by the underlying DBMS
     */
    public function resetSequence($tableName, $value = null)
    {
        throw new NotSupportedException($this->db->getDriverName() . ' does not support resetting sequence.');
    }

    /**

View on GitHub (pinned to 66f00d18a2)

When it happens

Trigger: Thrown at framework/db/QueryBuilder.php:1034 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of yiisoft/yii2@66f00d18a2 (2026-08-17). Data as JSON: /api/errors/268276a0308491cb. Report an issue: GitHub.